Credit: The Associated Press

Denver Broncos quarterback Peyton Manning talks to the media after NFL football practice at the team's training facility in Englewood, Colo., on Thursday, Jan. 23, 2014. The Broncos are scheduled to play the Seattle Seahawks in Super Bowl XLVIII on Feb. 2. (AP Photo/Ed Andrieski)

For all the NFL records Peyton Manning owns — and there are plenty — he is one victory away from the one accomplishment that eventually might define his legacy more than any other.

If Manning's Denver Broncos beat the Seattle Seahawks next weekend, he would become the first starting quarterback to win Super Bowl titles with two franchises.